Q2. A coastal tanker has a breadth of 15 m and in the lightship condition, has a displacement of 2450 tonne and a KG of 3.22 m.
The vessel is now loaded as indicated in Table Q2.
The following tanks are partially full with liquid as indicated.
One rectangular tank 10 m long and 8 m wide, containing fuel oil of density 897 kg/m3.
Four full width rectangular tanks, carrying crude oil of density 958 kg/m3, each 20 m long with centreline oiltight bulkheads.
In this condition, when floating in sea water of density 1025 kg/m3 the height of the transverse metacentre above the keel (KM) is 5.235 m.
(a) Calculate the effective metacentric height in the loaded condition. (8)
(b) (i) Using Worksheet Q2, draw the curve of statical stability for the loaded condition. (7)
(ii) From the curve drawn in Q2(b)(i), determine the range of stability. (1)
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